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Sustainability and Energy Efficiency in MEP Systems: The Future of Green Buildings

  Introduction The world is moving toward sustainability, and the role of MEP (Mechanical, Electrical, and Plumbing) systems in energy-efficient buildings is more crucial than ever. With climate change concerns and rising energy costs, designing and maintaining sustainable MEP systems can help reduce energy consumption, lower operational costs, and improve overall building performance. This blog explores how energy-efficient HVAC, electrical, and plumbing systems contribute to sustainability and how new technologies are shaping the future of green buildings. 1. Why Sustainability Matters in MEP Systems Sustainable MEP systems focus on resource conservation, energy efficiency, and reducing environmental impact . Key benefits include: ✅ Lower energy costs – Efficient HVAC and lighting systems reduce electricity consumption. ✅ Reduced carbon footprint – Sustainable buildings produce fewer greenhouse gas emissions. ✅ Improved occupant comfort – Smart MEP designs enhance in...
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HVAC for High voltage direct Current (HVDC)

 HVAC for High voltage direct Current (HVDC)

HVDC (high voltage direct current)
Courtesy ABB



High-voltage, direct current (HVDC) is an electrical transmission technology that uses direct current (DC) voltages greater than the nominal system voltage in order to increase power transfer capacity. The higher voltages allow for more efficient transmission of electrical power over long distances.
A high-voltage, direct current (HVDC) electric power transmission system uses direct current (DC) for the bulk transmission of electrical power
An HVDC is situated in a Faraday cage used to protect electronic equipment from high voltage direct current (HVDC) electromagnetic fields. The cage surrounds the equipment and prevents the HVDC fields from reaching it. The cage is made of conductive material, such as metal, and is typically grounded.
HVDC Transmission line map
HVDC Transmission Map

HVAC Design as Such

  • HVDC (high voltage DC supply) is mainly used for long distances to minimise power loss.

  • The converter/rectifier hall is 1 big faradays cage designed hall with no entry to personnel during normal operations.

  • All indoor M&E equipment must be grounded.

  • Only ventilation is required except for high temp regions like the gulf.

  • Should have N+2 configuration for redundancy.

  • AHU sections are, Heating coil, humidifier, pre-filter + bag filter.

  • Fresh air at 100 % with 30 Pascals pressurisation and with gravity release dampers at upper levels of the converter hall.

  • Interior design Maximum 48 C minimum 5 C, maximum supply temp. 40 c and minimum at 10c, maximum Relative humidity RH 60% and minimum 30%

  • Heat losses on Average 300 KW, including Process piping.

  • 500 Lux uniform for Lighting.

  • For security, entrance doors are interlocked for power shutdown in case of fire.

  • Fire fighting, manual extinguishers at entry and automatic interior extinguishing on the interior for the controls room.

  • BMS: all sensors, High Temp & Low temp, high & low humidity etc... to connect to Controls room.

  • I can be consulted on this and help you achieve your goals Remotely or onsite.




Conclusion High-voltage, direct current (HVDC) is a type of electrical power transmission that uses direct current (DC) instead of alternating current (AC). HVDC allows for the transmission of electricity over long distances with minimal losses.


Charles Nehme,
HVAC Global consultant and educator.
Services, books, courses, blog, vlog & much more.

www.cfn-hvac.com

My HVAC books on Amazon. Also found on Apple, Google, Barnes & nobles and Payhip.


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